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Brewing Bad Heat Changing Coffee Mug

Brewing Bad Heat Changing Coffee Mug

$19.99 USD
$24.99 USD $19.99 USD
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DESCRIPTION

Meet your new favorite coffee companion — the “Brewing Bad” Heat-Changing Mug from Mug Hub.

At first glance, it’s a sleek black ceramic mug. Add your favorite hot beverage, and watch the heat-sensitive exterior transform to reveal striking green artwork hidden beneath the dark finish.

With its bold design, glossy appearance, and generous 14 oz capacity, this mug brings a little surprise to your morning routine, afternoon coffee break, or collection shelf.

Whether you’re shopping for yourself or looking for a memorable gift for a coffee lover, this mug makes every pour a little more interesting.

Pour hot. Watch the reveal. Enjoy the moment.

HOW TO USE

Step 1 — Start with a Cold Mug
The mug appears sleek and black while cool, keeping the hidden artwork concealed.

Step 2 — Pour in Your Hot Drink
Add your favorite hot coffee, tea, or another suitable hot beverage.

Step 3 — Watch the Magic Reveal
As the mug warms, the black exterior transforms to reveal the hidden green artwork.

Step 4 — Enjoy Every Sip
Enjoy your drink, then let the mug cool naturally as the design returns toward its original appearance.

CARE INSTRUCTIONS

  • Hand-wash gently with a soft sponge to help preserve the heat-reactive coating.
  • Avoid abrasive scrubbers and harsh cleaning products.
  • Let the mug cool naturally after use.
  • Avoid sudden temperature changes.
  • Confirm microwave and dishwasher compatibility with your supplier before making any safety claims.
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ENGINEERING EXCELLENCE

Crafted for Your Daily Ritual. Designed to Reveal.

Make every coffee moment more memorable. The glossy black exterior transforms with heat to reveal hidden green artwork, bringing a distinctive surprise to your favorite hot drink.

VOLUME CAPACITY

14 oz / 415 ml

Room for your favorite coffee, tea, or hot drink.

HEAT-REACTIVE DESIGN

Heat-Activated

Hidden artwork appears as the mug warms up.

EVERYDAY COMFORT

Comfort Grip

A practical handle for your daily coffee ritual.

CARE & MAINTENANCE

Gentle Hand Wash

Hand washing is recommended to help preserve the finish.

MUG STOP COLLECTION

Technical Specifications

MUG HUB
Product Type Heat-Changing Coffee Mug
Base Material Ceramic
Exterior Finish Glossy Black
Artwork Reveal Hidden Green Artwork
Capacity 14 oz / 415 ml
Handle Style Comfort Grip
Care Instructions Gentle Hand Washing
What's Included 1 Heat-Changing Mug

For best results, follow the care instructions supplied with your mug.

Experience The Heat Reveal

Pour hot liquid or drag the slider below to simulate how the mug transforms from stealth cold black to the vibrant Heisenberg reveal!
Before After

Make Every Coffee Moment Count  

Elevate your daily coffee ritual with the Brewing Bad mug from Mug Hub. Its sleek black finish keeps things subtle while adding a distinctive touch to your desk, kitchen, or favorite coffee spot. A little personality for every sip, whether you're starting your morning or taking a well-deserved break.

Pour Hot. Reveal the Unexpected.

Add your favorite hot drink and watch the magic unfold. The heat-activated design reveals hidden artwork with a striking green finish, turning an everyday ceramic mug into a conversation starter. It's more than your usual coffee cup — it's a little surprise in every pour.